5-5
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 5 BXM Card Sets: T3/E3, 155, and 622
BXM Capabilities
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For MFJ firmware and above, channel statistics level 0 is no longer supported for BXM-155-4,
BXM-155-8, BXM-622, BXM-622-2, BXM-T3-12, BXM-T3-8, BXM-E3-8, and BXM-E3-12
models. However, it is still supported for all the other models (BXM-155-8DX, BXM-155-8D,
BXM-155-4DX, BXM-155-4D, BXM-622-2DX, BXM-622-2D, BXM-622-DX, BXM-T3-12EX,
BXM-T3-12E, BXM-T3-8E, BXM-E3-12EX, BXM-E3-12E, and BXM-E3-8E).
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ATM cell structure and format per ATM Forum UNI v3.1.
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Loopback support.
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1:1 card redundancy using Y-cable configuration.
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A BXM card may be configured for either network or port (access) operation.
ATM Layer
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UNI port option conforming to ATM Forum UNI v3.1 specification.
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ATM cell structure and format supported per ATM UNI v3.1 and ITU I.361.
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Header Error Correction (HEC) field calculation and processing supported per ITU I.432.
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Usage Parameter Control using single and dual leaky bucket algorithm, as applicable, to control
admission to the network per ATM Forum 4.0 Traffic Management.
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Provides up to 16 CoS’s with the following configurable parameters:
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Minimum service rate
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Maximum queue depth
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Frame discard enable
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Cell Loss Priority (CLP) High and Low thresholds
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Service priority level
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Explicit Forward Congestion Indication (EFCI) threshold
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Per VC Queuing
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Support for UBR CoS with Early Packet Discard
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Failure alarm monitoring per T1.64b
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ATM layer OAM functionality
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Congestion control mechanisms
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ABR with Virtual Source Virtual Destination (VSVD)
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ABR with Explicit Rate (ER) stamping/EFCI tagging
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ABR with ForeSight
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Self-test and diagnostic facility.
Service Types
The BXM cards support the full range of ATM service types per ATM Forum TM 4.0.
CBR Service:
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Usage Parameter Control (UPC) and Admission Control
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UPC: Ingress rate monitoring and discarding per I.371 for:
Содержание BPX 8600 Series
Страница 43: ...P A R T 1 The BPX Switch ...
Страница 44: ......
Страница 151: ...P A R T 2 Installation ...
Страница 152: ......
Страница 261: ...P A R T 3 Initial Configuration and Network Management ...
Страница 262: ......
Страница 291: ...P A R T 4 Configuring Connections ...
Страница 292: ......
Страница 481: ...P A R T 5 Troubleshooting and Maintenance ...
Страница 482: ......
Страница 531: ...P A R T 6 BPX Specifications ...
Страница 532: ......
Страница 563: ...P A R T 7 Appendices ...
Страница 564: ......
Страница 624: ...Glossary 24 Cisco BPX 8600 Series Installation and Configuration Release 9 3 0 Part Number 78 10674 01 Rev D0 July 2001 ...
Страница 630: ...Index 6 Cisco BPX 8600 Series Installation and Configuration Release 9 3 0 Part Number 78 10674 01 Rev D0 July 2001 ...